Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Supercharger Belt Idler Pulley
Removal and Installation
1. Remove the supercharger drive belt cover.
2. Rotate the supercharger belt tensioner clockwise and remove the
supercharger belt.
3. Remove the bolt and the supercharger belt idler pulley.
4. To install, reverse the removal pro ...
Assembly
1. NOTE: One tab that locks the reverse clutch drum into the reverse
sun shell may be removed.
This is done for balancing purposes.
Inspect the clutch cylinder thrust surfaces, piston bore and clutch plate
serrations for scores or
burrs. Minor scores or bu ...
Heated windows and mirrors (if equipped)
Heated Rear Window
Note: The vehicle must be running to use this feature.
Press the control to clear the rear window of thin ice and fog. Press the
control again within 15 minutes to switch it off. It turns off automatically
after approximately 15 minutes, or ...
